 |
| General |
| Name | (Chlorine) |
| Symbol | (Cl) |
| Number | (17) |
| Group Number | (17) |
| Group | (Halogen) |
| Block | (p) |
| Density | (0.003214 g/cm3) |
| Atomic Weight | (35.453 g/mol) |
| Atomic Volume | (22.7 cm3/mol) |
| Discover | (1774) |
|
| States |
| State | (Gas) |
| Melting Point | (171.6 K) |
| Boiling Point | (239.11 K) |
| Triple Point | (Nil) |
| Critical Point | (416.9 K) |
| Heat of Fusion | (6.406 kJ/mol) |
| Heat of Vaporization | (20.41 kJ/mol) |
|
| Energies |
| First Ionization Energy | (1251.1 kJ/mole) |
| Second Ionization Energy | (2297.3 kJ/mole) |
| Third Ionization Energy | (3821.8 kJ/mole) |
| Electronegativity | (3.16) |
| Electron Affinity | (349 kJ/mole) |
| Specific Heat | (0.48 J/gK) |
| Heat Atomization | (121 kJ/mole atoms) |
|
| Oxidation and Electrons |
| Shells | (2,8,7) |
| Electron Configuration | ([Ne] 3s2 3p5) |
| Minimum Oxidation Number | (-1) |
| Maximum Oxidation Number | (7) |
| Minimum Common Oxidation Number | (-1) |
| Maximum Common Oxidation Number | (7) |
|
| Appearance and Characteristics |
| Crystal Structure | (orthorhombic) |
| Characteristics | (diatomic(Cl2), corrosive) |
| Color | (greenish-yellow) |
| Uses | (bleach (NaOCl), PVC pipe) |
| Hardness | (mohs) |
| Toxicity | (Yes) |
|
| Reactions |
| Reaction with Air | (None) |
| Reaction with 6M HCl | (mild, =>HOCl, Cl-) |
| Reaction with 15M HNO3 | (mild, =>HClOx, NOxCl, NOx) |
| Reaction with 6M NaOH | (mild, =>OCl-, Cl-) |
|
| Other Forms |
| Number of Isotopes | (2) |
| Hydride | (HCl) |
| Oxide | (Cl2O ClO2 Cl2O7) |
| Chloride | (Cl2) |
|
| Radius |
| Atomic Radius | (100 pm) |
| Ionic Radius (1+ ion) | (Nil) |
| Ionic Radius (1- ion) | (167 pm) |
| Ionic Radius (2+ ion) | (Nil) |
| Ionic Radius (2- ion) | (Nil) |
| Ionic Radius (3+ ion) | (Nil) |
|
| Conductivity |
| Thermal Conductivity | (0.01 J/m-sec-deg) |
| Electrical Conductivity | (0 1/mohm-cm) |
| Polarizability | (2.2 A3) |
|
| Abundance |
| Source | (Halite, brine (misc)) |
| Relation Abundance Solar System | (3.719 log) |
| Abundance Earths Crust | (2.1 log) |
|
